{"slug":"polynews-news-api-v1-arbitrage-603c2a17","name":"polynews.news/api/v1/arbitrage","summary":"Cross-platform arbitrage detection between Polymarket and Kalshi: matched markets, price spreads, fee-adjusted EV. Coverage: liquid Polymarket markets in politics/geopolitics/elections/tech/economy/finance; low-volume long-tail, sports, culture, and weather are not included.","status":"live","indexable":true,"listed_since":"2026-10-25T17:51:08.864153Z","sources":[{"source":"x402_bazaar","external_id":"https://polynews.news/api/v1/arbitrage","owner_address":"0x6ee49a7872844397fb52870cc07b308ffadc9427","seen_at":"2026-10-26T14:48:41.003621Z","removed_at":null}],"endpoints":[{"url":"https://polynews.news/api/v1/arbitrage","host":"polynews.news","protocol":"x402","state":"live","last_probe_at":"2026-10-26T02:41:53.555023Z","last_ok_at":"2026-10-26T02:41:53.555023Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"polynews-news-421b7a25","name":"polynews.news"}],"payment_options":[],"usage":{"source":"x402_bazaar","unique_payers_30d":4,"paid_calls_30d":35,"last_paid_at":"2026-10-26T12:08:06.196Z","reported_at":"2026-10-26T14:48:41.003621Z"},"assessment":{"method":"2026.10.1","checks":[{"id":"answers","state":"pass","reason":"Answered a check 12 hours ago."},{"id":"owner","state":"fail","reason":"No one has proven control of its domain or of the wallet it is paid at."},{"id":"track_record","state":"fail","reason":"Listed for 0 days; 30 are needed."},{"id":"real_customers","state":"fail","reason":"4 different wallets paid it in 30 days, as the x402 Bazaar reports (not yet counted by addrbook); 10 are needed."},{"id":"clean_scan","state":"not_applicable","reason":"Not an MCP server."}],"passed":1,"applicable":4,"contradicted":false,"computed_at":"2026-10-26T14:49:47.592947Z"},"identity":{"endpoint_domains":[],"proven_domains":[],"proven_wallets":[],"namesakes":[],"namesake_count":0},"replies":[],"customers":null,"scan":null,"notice":"Not affiliated with addrbook — claim or request removal."}